<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title></title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script src="https://unpkg.com/vue-router/dist/vue-router.js"></script>
</head>
<body>
    
    <div id='app'>
        <router-view name="side"></router-view>
        <router-view ></router-view>
    </div>
    <script>
        const side={
            template: '<div>首页</div>'
        }
        const body = {
            template: `<div>默认的路由</div>`
        }
        const router=new VueRouter({
        routes:[{
            path:'/index',
            components: {
                    // key 路由对应组件的名字
                    // index,
                    side,
                    default:body
                }
        }]
    })
    const vm = new Vue({
        el: '#app',
        data: {
        },
        router
    })
   
    </script>
</body>
</html>